CA2002752C - Slab surface contour monitor - Google Patents
Slab surface contour monitor Download PDFInfo
- Publication number
- CA2002752C CA2002752C CA002002752A CA2002752A CA2002752C CA 2002752 C CA2002752 C CA 2002752C CA 002002752 A CA002002752 A CA 002002752A CA 2002752 A CA2002752 A CA 2002752A CA 2002752 C CA2002752 C CA 2002752C
- Authority
- CA
- Canada
- Prior art keywords
- workpiece
- image
- slab
- electrical signals
- edge surfaces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 54
- 230000001154 acute effect Effects 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 14
- 238000001454 recorded image Methods 0.000 claims 3
- 238000005286 illumination Methods 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 2
- 239000000284 extract Substances 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 description 13
- 238000005266 casting Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- -1 what speeds Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Continuous Casting (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Laser Beam Processing (AREA)
- Coating With Molten Metal (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Road Signs Or Road Markings (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US276,717 | 1988-11-28 | ||
| US07/276,717 US5083867A (en) | 1988-11-28 | 1988-11-28 | Slab surface contour monitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2002752A1 CA2002752A1 (en) | 1990-05-28 |
| CA2002752C true CA2002752C (en) | 2002-05-14 |
Family
ID=23057807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002002752A Expired - Lifetime CA2002752C (en) | 1988-11-28 | 1989-11-10 | Slab surface contour monitor |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US5083867A (de) |
| EP (1) | EP0371650B1 (de) |
| JP (1) | JPH02187609A (de) |
| KR (1) | KR900008245A (de) |
| AT (1) | ATE100191T1 (de) |
| AU (1) | AU628396B2 (de) |
| BR (1) | BR8905675A (de) |
| CA (1) | CA2002752C (de) |
| DE (1) | DE68912285T2 (de) |
| ES (1) | ES2049336T3 (de) |
| HU (1) | HUT62085A (de) |
| PL (1) | PL165123B1 (de) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9002193D0 (en) * | 1990-01-31 | 1990-03-28 | Starsmore Neil | An imaging process for detecting the shape of three dimensional objects |
| GB2262339B (en) * | 1991-12-13 | 1995-09-06 | Honda Motor Co Ltd | Method of inspecting the surface of a workpiece |
| CA2067400A1 (en) * | 1992-04-28 | 1993-10-29 | Robert E. Bredberg | Laser thickness gauge |
| JPH0618957U (ja) * | 1992-08-17 | 1994-03-11 | 東芝エンジニアリング株式会社 | Ｐｔｐ用シール検査装置 |
| US5566244A (en) * | 1993-11-22 | 1996-10-15 | Honda Giken Kogyo Kabushiki Kaisha | Method of inspecting a workpiece surface including a picturing system with a shortened focal plane |
| EP0789832B1 (de) * | 1994-11-04 | 1999-10-06 | Robert Prof. Dr. Massen | Verfahren und anordnung zur optischen inspektion von produkten |
| NO302433B1 (no) * | 1995-05-09 | 1998-03-02 | Norsk Hydro As | Metode og utstyr for opptak og prosessering av digitale bilder av borekjerner |
| JPH08313223A (ja) * | 1995-05-16 | 1996-11-29 | Ls Electro Galvanizing Co | 移動ストリップを監視する方法と装置 |
| SE516607C2 (sv) * | 1995-12-04 | 2002-02-05 | Optonova Ab | Sätt och anordning vid kantavkänning |
| AU718931B2 (en) * | 1996-03-01 | 2000-05-04 | Durand-Wayland, Inc. | Optical inspection apparatus and method for articles |
| US6122065A (en) * | 1996-08-12 | 2000-09-19 | Centre De Recherche Industrielle Du Quebec | Apparatus and method for detecting surface defects |
| JPH1134187A (ja) * | 1997-07-15 | 1999-02-09 | Mitsubishi Heavy Ind Ltd | 製函用シート材の接合部判定方法及び製函用シート材の接合部判定装置 |
| US6335757B1 (en) | 1997-09-02 | 2002-01-01 | Bojko Vodanovic | CCD imaging device for high speed profiling |
| US6094269A (en) * | 1997-12-31 | 2000-07-25 | Metroptic Technologies, Ltd. | Apparatus and method for optically measuring an object surface contour |
| DE69926885T2 (de) * | 1998-06-10 | 2006-03-30 | Landrex Technologies Co., Ltd. | Messung und kompensation der durchbiegung bei der inspektion von bestückten leiterplatten |
| US6222630B1 (en) | 1998-08-26 | 2001-04-24 | Teradyne, Inc. | Measuring and compensating for warp in the inspection of printed circuit board assemblies |
| WO2002046713A2 (en) | 2000-12-08 | 2002-06-13 | Cyberoptics Corporation | Automated system with improved height sensing |
| KR100523099B1 (ko) * | 2001-12-20 | 2005-10-19 | 주식회사 포스코 | 선재압연소재의 단면형상 측정방법 |
| US6948347B2 (en) * | 2003-01-24 | 2005-09-27 | Isg Technologies Inc. | Graphical rolled steel sheet flatness display and method of using same |
| PT1524047E (pt) * | 2003-10-16 | 2007-05-31 | Concast Ag | Processo e dispositivo para a leitura automática de produtos semi-acabados |
| DE102005023270A1 (de) * | 2005-05-20 | 2006-11-23 | Sms Demag Ag | Verfahren und Vorrichtung zur Herstellung eines Metallbandes |
| ZA200902052B (en) | 2006-10-16 | 2010-07-28 | Strandex Corp | Puller speed control device for monitoring the dimension of an extruded synthetic wood composition |
| JP5488953B2 (ja) * | 2008-09-17 | 2014-05-14 | 新日鐵住金株式会社 | 凹凸疵検査方法及び装置 |
| JP5312144B2 (ja) * | 2009-03-30 | 2013-10-09 | トヨタ自動車株式会社 | 自動車ボディ表面欠陥検査方法、及び自動車ボディ表面欠陥検査装置 |
| CN101655464B (zh) * | 2009-09-16 | 2011-06-08 | 重庆大学 | 高温连铸坯表面缺陷形态及深度在线无损检测方法 |
| FR2973110B1 (fr) * | 2011-03-25 | 2013-04-26 | Snecma | Procede d'inspection des impacts observes dans des carters de soufflante |
| JP6156253B2 (ja) * | 2014-05-20 | 2017-07-05 | Ｊｆｅスチール株式会社 | 金属帯エッジ部撮像装置 |
| CN104020177B (zh) * | 2014-06-26 | 2016-06-15 | 重庆大学 | 连铸坯表面缺陷双ccd扫描成像检测方法 |
| KR102866743B1 (ko) | 2016-01-26 | 2025-09-29 | 심보틱 캐나다, 유엘씨 | 케이스 물품 검사 시스템 및 방법 |
| US10031087B2 (en) | 2016-09-22 | 2018-07-24 | SSAB Enterprises, LLC | Methods and systems for the quantitative measurement of internal defects in as-cast steel products |
| WO2024167800A1 (en) * | 2023-02-06 | 2024-08-15 | Lam Research Corporation | Biaxial optical sensor system |
| EP4650081A1 (de) * | 2024-05-14 | 2025-11-19 | Dubai Aluminium PJSC | Anlage zur überwachung von repräsentativen parametern eines gussstranges, insbesondere dessen oberflächenzustand, automatisiertes überwachungsverfahren mit dieser anlage und giessereianlage mit dieser anlage |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3187185A (en) * | 1960-12-22 | 1965-06-01 | United States Steel Corp | Apparatus for determining surface contour |
| US3773422A (en) * | 1971-04-07 | 1973-11-20 | Singer Co | Calculating linear dimensions from tv images |
| JPS5122455B2 (de) * | 1971-10-05 | 1976-07-09 | ||
| JPS4958864A (de) * | 1972-10-05 | 1974-06-07 | ||
| GB1449044A (en) * | 1972-11-14 | 1976-09-08 | Kongsberg Vapenfab As | Procedures and apparatuses for determining the shapes of surfaces |
| US3858983A (en) * | 1973-11-13 | 1975-01-07 | Autech Corp | Shaped product measurement |
| CA1014638A (en) * | 1974-04-16 | 1977-07-26 | Domtar Limited | Measuring the surface roughness of a moving sheet material |
| DE2514930A1 (de) * | 1975-04-05 | 1976-10-14 | Opto Produkte Ag | Verfahren zur optischen ermittlung und zum vergleich von formen und lagen von objekten |
| US4202612A (en) * | 1976-12-28 | 1980-05-13 | Solid Photography Inc. | Arrangement for sensing the geometric characteristics of an object |
| US4105925A (en) * | 1977-03-14 | 1978-08-08 | General Motors Corporation | Optical object locator |
| JPS6057004B2 (ja) * | 1977-03-26 | 1985-12-12 | 佐藤 寿芳 | ２次元表面粗さ計測法 |
| US4158507A (en) * | 1977-07-27 | 1979-06-19 | Recognition Equipment Incorporated | Laser measuring system for inspection |
| US4188544A (en) * | 1977-08-22 | 1980-02-12 | Weyerhaeuser Company | Method and apparatus for automatically processing a workpiece employing calibrated scanning |
| US4118544A (en) * | 1977-09-28 | 1978-10-03 | P.R. Mallory & Co. Inc. | Metal-air depolarized cell having restricted gas passageway |
| AU4879579A (en) * | 1978-07-11 | 1980-03-06 | Commonwealth Scientific And Industrial Research Organisation | Profile measurement |
| US4223346A (en) * | 1979-04-05 | 1980-09-16 | Armco Inc. | Automatic defect detecting inspection apparatus |
| US4238147A (en) * | 1979-05-23 | 1980-12-09 | Solid Photography Inc. | Recording images of a three-dimensional surface by focusing on a plane of light irradiating the surface |
| US4498778A (en) * | 1981-03-30 | 1985-02-12 | Technical Arts Corporation | High speed scanning method and apparatus |
| US4594001A (en) * | 1981-07-07 | 1986-06-10 | Robotic Vision Systems, Inc. | Detection of three-dimensional information with a projected plane of light |
| JPS58143204A (ja) * | 1982-02-22 | 1983-08-25 | Kinji Kitada | 表面形状計測装置 |
| US4628469A (en) * | 1982-09-29 | 1986-12-09 | Technical Arts Corporation | Method and apparatus for locating center of reference pulse in a measurement system |
| US4541722A (en) * | 1982-12-13 | 1985-09-17 | Jenksystems, Inc. | Contour line scanner |
| SE438091B (sv) * | 1983-06-08 | 1985-04-01 | Gote Palsgard | Anordning for koordinatregistrering |
| US4650333A (en) * | 1984-04-12 | 1987-03-17 | International Business Machines Corporation | System for measuring and detecting printed circuit wiring defects |
| US4648053A (en) * | 1984-10-30 | 1987-03-03 | Kollmorgen Technologies, Corp. | High speed optical inspection system |
| DE3503858A1 (de) * | 1985-02-05 | 1986-08-21 | Daimler-Benz Ag, 7000 Stuttgart | Vorrichtung zur ermittlung von gestaltsfehlern niedriger ordnung |
| KR940007111B1 (ko) * | 1985-06-14 | 1994-08-05 | 더브로큰 힐 프로프라이어터리 컴패니 리미티드 | 물체의 단면형상 및 윤곽의 측정방법 및 장치 |
| US4702605A (en) * | 1986-02-03 | 1987-10-27 | Robotic Vision Systems, Inc. | Rocker arm sensor |
| US4741621A (en) * | 1986-08-18 | 1988-05-03 | Westinghouse Electric Corp. | Geometric surface inspection system with dual overlap light stripe generator |
| DE3639329C1 (de) * | 1986-11-18 | 1988-02-25 | Heesemann Karl Masch | Bandschleifmaschine |
-
1988
- 1988-11-28 US US07/276,717 patent/US5083867A/en not_active Expired - Lifetime
-
1989
- 1989-10-10 AU AU42708/89A patent/AU628396B2/en not_active Ceased
- 1989-11-02 KR KR1019890015891A patent/KR900008245A/ko not_active Abandoned
- 1989-11-06 BR BR898905675A patent/BR8905675A/pt not_active IP Right Cessation
- 1989-11-10 CA CA002002752A patent/CA2002752C/en not_active Expired - Lifetime
- 1989-11-14 EP EP89311766A patent/EP0371650B1/de not_active Expired - Lifetime
- 1989-11-14 DE DE68912285T patent/DE68912285T2/de not_active Expired - Fee Related
- 1989-11-14 ES ES89311766T patent/ES2049336T3/es not_active Expired - Lifetime
- 1989-11-14 AT AT89311766T patent/ATE100191T1/de active
- 1989-11-27 JP JP1307380A patent/JPH02187609A/ja active Pending
- 1989-11-28 HU HU896224A patent/HUT62085A/hu unknown
- 1989-11-28 PL PL89282514A patent/PL165123B1/pl unknown
-
1991
- 1991-08-28 US US07/751,028 patent/US5162873A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE68912285D1 (de) | 1994-02-24 |
| AU4270889A (en) | 1990-05-31 |
| PL165123B1 (pl) | 1994-11-30 |
| US5083867A (en) | 1992-01-28 |
| DE68912285T2 (de) | 1994-05-19 |
| JPH02187609A (ja) | 1990-07-23 |
| CA2002752A1 (en) | 1990-05-28 |
| ATE100191T1 (de) | 1994-01-15 |
| US5162873A (en) | 1992-11-10 |
| EP0371650B1 (de) | 1994-01-12 |
| HUT62085A (en) | 1993-03-29 |
| EP0371650A1 (de) | 1990-06-06 |
| HU896224D0 (en) | 1990-02-28 |
| AU628396B2 (en) | 1992-09-17 |
| BR8905675A (pt) | 1990-06-05 |
| ES2049336T3 (es) | 1994-04-16 |
| KR900008245A (ko) | 1990-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2002752C (en) | Slab surface contour monitor | |
| JPH112511A (ja) | 金属ストリップ用平面度測定システム | |
| EP0483362B1 (de) | Vorrichtung zur messung der blattlänge | |
| US4497192A (en) | Process for cropping the head of self-luminous rolled material, especially metal strips and system for cropping the head | |
| EP0086200B1 (de) | Optische bestimmung von oberflächenprofilen | |
| US6922652B2 (en) | Automated quality assurance method and apparatus and method of conducting business | |
| US4710808A (en) | Machine vision differential measurement system | |
| JPH06148098A (ja) | 表面欠陥検査装置 | |
| CN111398288B (zh) | 连铸坯在线热状态下表面全幅周向检测系统、方法及装置 | |
| EP2910893B1 (de) | Vorrichtung und verfahren zum ermitteln von planheitsabweichungen beim behandeln eines bandförmigen guts | |
| JPH06102284B2 (ja) | 鋼板の剪断装置 | |
| CN118111359A (zh) | 一种非接触式板带平直度检测装置及方法 | |
| KR20020002047A (ko) | 레이저 속도측정기를 이용한 핫바의 크롭절단장치 | |
| KR100856296B1 (ko) | 열연 압연시 강판의 측면 형상 측정 장치 및 그 방법 | |
| Sansoni et al. | Design and development of a 3D system for the measurement of tube eccentricity | |
| Xilin et al. | Study on laser shape measurement system for hot-rolling strip steel | |
| Pirlet et al. | The ROMETER, a Noncontact System for Measuring Hot Strip Flatness | |
| JPH04160304A (ja) | 板幅方向反り検出装置 | |
| JPH04270908A (ja) | 熱延鋼板の平面形状測定方法 | |
| KR100905905B1 (ko) | 면적량 산출을 위한 형상 측정 장치 및 방법 | |
| JPS63215954A (ja) | 表面検査装置 | |
| JPH01320419A (ja) | 熱間圧延における被圧延材の長手方向の反り形状測定方法 | |
| Caron et al. | Real-time inspection of preweathered Zinc based on computer vision | |
| JPH07260749A (ja) | ロール疵の検出方法 | |
| Williams | Applied Optics In The European Coal And Steel Community Its Application To Quality Control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |